aop 实现方法计时 日志

代码：

package com.yh.webapp.aop;import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.Logger;import org.apache.struts2.ServletActionContext;import org.aspectj.lang.JoinPoint;import org.aspectj.lang.ProceedingJoinPoint;import org.aspectj.lang.annotation.Around;import org.aspectj.lang.annotation.Aspect;import org.aspectj.lang.annotation.Before;import org.aspectj.lang.reflect.MethodSignature;import org.springframework.stereotype.Component;import com.yh.webapp.model.Users;@Component@Aspectpublic class LogAop {private Logger log = LogManager.getLogger();public static final  String  edp="execution(* com.yh.webapp.service.*.*(..))";@Around(edp)public Object timeAround(ProceedingJoinPoint joinPoint){Object obj = null;Object [] args=joinPoint.getArgs(); long startTime = System.currentTimeMillis();            try {              obj = joinPoint.proceed(args);          } catch (Throwable e) {              log.error("统计某方法执行耗时环绕通知出错", e);          }            // 获取执行的方法名          long endTime = System.currentTimeMillis();          MethodSignature signature = (MethodSignature) joinPoint.getSignature();          String methodName = signature.getDeclaringTypeName() + "." + signature.getName();            // 打印耗时的信息          Users user=(Users) ServletActionContext.getRequest().getSession().getAttribute("user");log.info("*****开始记录日志*****");if(user!=null){log.info("用户："+user.getName()+"  执行了："+joinPoint.getSignature().getName()+"耗时："+(endTime - startTime));}else{log.info("用户未登陆：执行了："+joinPoint.getSignature().getName()+"耗时："+(endTime - startTime));}           return obj;  }}